How to export your Outlook emails into a PST.
- Open Outlook
- Create a folder called "Email Export" in Outlook
- Highlight the emails you want to compress into a PST and move them into the newly created folder
- Choose Import
- Click Export to a file
- Select .PST from the list available
- Select the Email Export folder created
- Check off Don't export duplicate items
- Name the PST
- Click Finish
- Use or Don't use a password for the next step